baber/WOPTO huggingface dataset:
Patent KR-20090003892-A (KR)
Title: Manufacturing method of mixed pattern wire net for fence
Inventor: LEE DAE YOUNG
IPC: B21F27/12
Filed: 2007-07-05
Abstract: A manufacturing method of a mixed patterned wire net is provided to obtain a fence wire net that is new and stable by forming net eyes of the wire net in a mixed form when forming a wire net by twisting wires. A manufacturing method of a mixed patterned fence wire net comprises the steps of: forming at least three rows of pentagonal net eyes(8a) by repetitively performing an operation of forming left and right short line portions(6a) by supplying lateral wires(4a) between two strands of wires forming the twisted line portions and bending the two strands of wires in the downward outer direction from ends of the twisted line portions when forming twisted line portions(2a) using two strands of longitudinal wires; forming at least three rows of tetragonal net eyes(14a) by repetitively performing an operation of supplying lateral wires at proper intervals between the two strands of the wires forming the twisted line portions in the process of extending respective twisted line portions of the pentagonal net eyes to form twisted line portions(10a); forming at least three rows of pentagonal net eyes by repetitively performing an operation of supplying the lateral wires between the two strands of the wires forming the twisted line portions in the process of bending the two strands of the longitudinal wires from the ends of the twisted line portions of the tetragonal net eyes such that the two strands of the longitudinal wires are inclined in the downward outer direction to form the left and right short line portions, and twisting the left and right short line portions from points at which the left and right short line portions are joined with adjacent other short line portions to form twisted line portions with a predetermined length; and performing a finishing operation of bending or coiling the respective ends of the twisted line portions of the upper and lower pentagonal net eyes onto outer lateral wires.
Patent KR-20080007120-A (KR)
Title: Method for working object to be worked
Inventor: KIUCHI KAZUYUKI
IPC: C09J7/00
Filed: 2007-07-12
Abstract: A method for processing a workpiece to be processed is provided to realize sufficient adhesive property during transfer or dicing of a workpiece such as a semiconductor wafer while realizing a low peel force characteristics upon the pick up of workpiece chips. A method for processing a workpiece to be processed comprises the steps of: bonding the workpiece fixed to a support to a dicing adhesive sheet(10) by way of a double-side adhesive sheet having a thermally removable or radiation curable adhesive layer; heating or irradiating the double-side adhesive sheet to remove the double-side adhesive sheet from the workpiece; dicing the workpiece having the dicing adhesive sheet to form workpiece chips; and picking up the workpiece chips, wherein the dicing adhesive sheet comprises at least one adhesive layer(12) on a substrate film(11), and the adhesive layer comprises an acrylic polymer containing at least 5 wt% of a monomer having a pendant alkoxyl group and has a thickness of 1-50 micrometers.
Patent KR-20080007137-A (KR)
Title: Semiconductor device and protection circuit
Inventor: TAKAHASHI YUKIO
IPC: H01L27/04
Filed: 2007-07-12
Abstract: A semiconductor device and a protection circuit are provided to obtain an electrostatic discharge damage protection circuit having a high electrostatic discharge damage resistance without enlarging a layout size of the protection circuit. A well is formed in a region in which a protection circuit of an input/output terminal is arranged. A plurality of emitter diffusion layers are formed on the well and have a conductive type opposite to the conductive type of the well. A plurality of first collector diffusion layers are formed on the well and have a conductive type opposite to the conductive type of the well. A plurality of second collector diffusion layers are formed on the well and have a conductive type opposite to the conductive type of the well. A base diffusion layer is formed on the well and has the same conductive type as the conductive type of the well. An insulating layer is formed to isolate the emitter diffusion layers, the first collector diffusion layers, the second collector diffusion layers, and the base diffusion layer, respectively. A first bipolar transistor(10A) includes the emitter diffusion layers, the first collector diffusion layers, and the base diffusion layer. A second bipolar transistor(10B) includes the emitter diffusion layers, the second collector diffusion layers, and the base diffusion layer. A third bipolar transistor(10C) includes the first collector diffusion layers, the second collector diffusion layers, and the base diffusion layers. The emitter diffusion layers are electrically connected to the input/output terminal. The first collector diffusion layer is electrically connected to a first power supply terminal. The second collector diffusion layers and the base diffusion layer are electrically connected to a second power supply terminal.
Patent KR-20090008053-A (KR)
Title: Continuous variable valve lift apparatus
Inventor: KWAK YOUNG HONG
IPC: F01L1/34
Filed: 2007-07-16
Abstract: A continuous variable valve lift apparatus is provided to reduce manufacturing cost and maintenance cost with simplified structure and few parts. A continuous variable valve lift apparatus comprises a cam shaft(100), an input cam(200) formed on the cam shaft; a variable lever connected to the cam shaft(300); a first link rotating around a first connection shaft(330) of a variable lever(500); a second link rotating around a second connection shaft(340) of a variable lever(600); an output cam(700) rotating around the cam shaft; and a valve opening and shutting part(800) activating by rotation of the output cam. A first roller is in contact with the second link, formed on one side of the output cam.
Patent KR-20080011089-A (KR)
Title: Cosmetic composition combining a copolymer, a non-volatile oil and a glossy oil
Inventor: LEBRE CAROLINE
IPC: A61K8/92
Filed: 2007-07-26
Abstract: A cosmetic composition comprising copolymer, non-volatile oil and glossy oil is provided to protect keratin materials, especially lips, and improve use pleasance, continuance of protection effects and lip-glossing effects through just one time application. A cosmetic composition comprises a copolymer containing at least one alkyl metacrylate, alkyl acrylate and acrylic acid monomer; a non-volatile oil having a hydrocarbon chain containing 16 carbon atoms or more and mole weight of 650g/mol; and glossy oil having mole weight of 650g/mol, wherein the copolymer is a block copolymer containing at least one first block obtained from an acrylate monomer represented by the formula of CH2=CH-COOR2 and a metacrylate monomer represented by the formula of CH2=C(CH3)-COOR'2, and at least one second block obtained from acrylic acid monomer and another monomer having glass transition temperature of 20 deg. C or less in which R2 is C4-C12 cycloalkyl group and R'2 is C4-C12 cycloalkyl group.
Patent KR-20080014679-A (KR)
Title: Liquid crystal display device
Inventor: KONNO TAKAYUKI
IPC: G02F1/1343
Filed: 2007-08-10
Abstract: An LCD and a method for manufacturing the same are provided to suppress short-circuit between a video signal line and a source electrode, thereby improving the yield of the LCD. An active matrix type LCD comprises a substrate and a liquid crystal layer. The substrate includes a scan signal line(101), common signal lines(102), a video signal line(104) crossing the scan signal line and the common signal lines, and a pixel surrounded by the scan signal line and the video signal line. The pixel includes a thin film transistor, a source electrode included in the data line, a pixel electrode connected to the source electrode, and a common electrode(110) connected to the common signal lines. The source electrode includes a first portion overlapping the scan signal line, and a second portion connected a portion of the pixel electrode, which is positioned at the center of a region between neighboring video signal lines. A molecular axis of each liquid crystal in the liquid crystal layer is rotated by electric field applied between the pixel electrode and the common electrode.
Patent KR-20090017766-A (KR)
Title: Apparatus and method for cleaning backside of substrate
Inventor: MIN SUK KI
IPC: H01L21/304
Filed: 2007-08-16
Abstract: An apparatus and method for cleaning the backside of substrate are provided to improve the plasma cleaning efficiency by reaching the reaction gas activated by the plasma to the backplane of substrate. The apparatus for cleaning the backside of substrate comprises the chamber part for cleaning the backplane(B) of the substrate(10) and the substrate loading/unloading part(200). The chamber part(100) comprises the upper electrode part(120) which discharges the process gas; the bottom electrode part; the top electrode part; the substrate support portion(140) for positioning the substrate between the upper electrode part and bottom electrode part; the lower driving part(150) for the substrate support portion.
Patent KR-20090020407-A (KR)
Title: Nano liposome composition and cosmetic comprising nano liposome produced therefrom
Inventor: SONG SI YOUNG
IPC: A61K8/73
Filed: 2007-08-23
Abstract: A nanoliposome composition is provided to increase moisturizing effect by making skin structure similar liposomes having the complex of various moisturizers, and enhance skin permeation by reducing the size of liposome to permeate the skin. The nanoliposome composition comprises polyglutamic acid, hyaluronic acid, phytosterol, cholesterol, saturated lecithin, ceramide 3B, glycerine, aquaporine, hydrocreatine, mucopolysaccharide, triglyceride and purified water(balance).
Patent KR-20090022274-A (KR)
Title: A fish processing method of construction to raise smelling fishy restraint and feeling of texture improvement and taste
Inventor: LEE KI MIN
IPC: A23L17/00
Filed: 2007-08-30
Abstract: A method for processing a fish is provided to cure a fish using a natural ingredient, thereby improving a taste, a nutritive value, and functionality for the fish and decreasing a fishy smell. A method for processing a fish comprises the following steps. A fish is defrosted at a temperature of 0-10°C(a). A head of the fish is cut off and internal organs are removed(b). The fish is put into a 3-15% of curing solution in the mixing ratio of 50-100% and cured at 0-10°C for 5-50 minutes(c). The cured fish is naturally dehydrated(d). The dehydrated fish is matured at a temperature of 0-10°C for 1-24 hours(e).
Patent KR-20090007192-A (KR)
Title: Connector
Inventor: KITAGAWA NAOKI
IPC: H01R13/639
Filed: 2007-09-11
Abstract: A connector is provided to transform a conductive arm and a pressing arm elastically in a thickness direction of a connection object when the connection object is inserted into the conductive arm and the pressing arm, thereby maintaining a stable conduction state of the conductive arm and the pressing arm. A connector comprises an insulator(20), a contact point, a pressing arm(55) and an actuator(80). The insulator includes a receiving recess unit(33) so that a flat connection object can be attached/detached. The contact point comprises a conductive arm having a contact unit(57) electrically connected to one side of the connection object. And the contact point is installed in the receiving recess unit. The pressing arm is installed in the receiving recess unit having a pressing unit contacted with another side of the connecting object.
Patent KR-20090032586-A (KR)
Title: A pharmaceutical composition having anti-inflammatory, analgesic, antipyretic, antioxidant and antihistamine effect and a method for preparation thereof
Inventor: JUNG SUNG KI
IPC: A61K36/346
Filed: 2007-09-28
Abstract: Provided is a pharmaceutical composition containing natural plants, which have antiphlogistic, pain, antifebrile, oxygen-resistant and anti-histamine effects for treatment of atopic asthma and allergic rhinitis. A pharmaceutical composition containing natural plants comprises the 4-40 parts of Platycodon grandiflorum A. De Candolle, the 2-20 parts of Glycyrrhiza uralensis, the 1-10 parts of Mentha arvensis var. piperascens, the 0.5-10 parts of propolis and the 1-10 parts of menthol by weight. The pharmaceutical composition is formulated as troche. A method for preparing the pharmaceutical composition consists of the following steps of: mixing the Platycodon grandiflorum A. De Candolle and Glycyrrhiza uralensis and reflux-extracting the mixture with water or ethanol to obtain mixed herbs extracts; and mixing propolis and menthol to the mixed herbs extracts.
Patent KR-20090033985-A (KR)
Title: Street trees protection cover of assembly structure
Inventor: NAM DU HO
IPC: A01G13/00
Filed: 2007-10-02
Abstract: A street tree protection cover is provided to simplify assembly of the cover and prevent from stealing the cover by strong combining using an elastic support which has an elastic spring. A street tree protection cover comprises two divided bodies(10,20). Each body comprises a slander elastic support(30) having a protrusion(31) and a groove(40) which the protrusion of the elastic support is inserted on upper part and lower part of the body. The elastic support is formed on the each different vertical line. The protrusion is formed at the end of the elastic support. An inclined surface(32) is extended from the protrusion. A guide groove is formed in other side body. A large hole(11,12) is formed at the center in order for the street tree to be placed. The plural water passing holes are formed around the hole in order for rainwater to be flowed in.
Patent KR-20090034432-A (KR)
Title: Impulse radio uwb transmitter, receiver, system and method thereof for decreasing power consumption
Inventor: PARK JOO HO
IPC: H04L27/00
Filed: 2007-10-04
Abstract: A transmitter and a receiver of an impulse type ultra wideband transmission and reception system, an ultra wideband transmission and reception system and an operating method thereof are provided to reduce power consumption and to improve resource management efficiency by supplying the power to an RF transceiver in only time section with an impulse signal. A baseband(102) modulates an impulse data signal and generates a control signal for managing the power by using burst hopping information. An RF transmitter(301) transmits a radio signal and converts the on/off state of the power source by the control signal for managing the power generated from the baseband. The baseband includes a DAC(Digital-to-Analog Converter) and a modem. The DAC(133) converts a digital signal to an analog signal when transmitting the data. The modem is connected to the DAC and modulates the transmission and reception data. The modem generates the control signal for managing the power based on the burst hopping information according to a BPM modulation method.
Patent KR-20090035324-A (KR)
Title: Supporter for a fishing rod
Inventor: CHO DO YOUNG
IPC: A01K97/10
Filed: 2007-10-05
Abstract: A supporter for a fishing rod is provided, which has the structure of facilitating installation and detachment of the bait container and enables to change the position of the bait container according to the taste of a user. A supporter for a fishing rod comprises: a hanging member in which a fishing rod(10) is set; a frame(200) in which the hanging member is installed; and a supporting member(300) which fixes the frame to the surface; and a bait container hanging member(500) supporting a plurality of bait containers installed at one side of the frame. One side of the bait container hanging member is supported by the frame. The other side of the bait container is equipped with a fixing member in which an anchoring bolt is projected and a receiving part in which a bait is placed.
Patent KR-20080049613-A (KR)
Title: Gain variable amplification circuit
Inventor: DOBASHI NAGAYOSHI
IPC: H03G3/20
Filed: 2007-10-23
Abstract: A variable gain amplifier circuit is provided to reduce an area for forming a semiconductor IC by reducing the number of resistors for setting a degree of amplification. Each of differential circuits(22,24,26,28) includes an input terminal connected to a signal input terminal. The differential circuits are operated selectively. An output circuit(30) is commonly connected to a signal output terminal(50) of the differential circuits. The output circuit takes out output signals of the differential circuits and outputs an output signal from the signal output terminal. A plurality of resistors(R11,R12,R13,R14) are connected serially between the signal output terminal and a terminal to which a reference voltage is applied. A junction between the resistors and the signal output terminal are connected to another input terminals of the differential circuits.
Patent KR-20090041594-A (KR)
Title: Washing machine
Inventor: LEE JONG MIN
IPC: D06F25/00
Filed: 2007-10-24
Abstract: A laundry processor is provided to secure the excellent bactericidal action as ultraviolet ray is irradiated with an ultraviolet irradiation part to a drum and tub. A laundry processor(100) comprises a drum(170) in which laundry is put; an ultraviolet irradiation part(190) irradiating the ultraviolet ray to the laundry; and a controller running the ultraviolet irradiation part, irradiating the ultraviolet ray to the laundry before the washing water is supplied to the drum in order to wash the laundry. The controller supplies the washing water to the drum inside after the operation of the ultraviolet irradiation part is stopped.
Patent KR-20090043174-A (KR)
Inventor: KIM JAE WAN
IPC: H04B7/02
Filed: 2007-10-29
Abstract: 프리코딩을 이용한 송신 데이터 생성 방법, 생성된 송신 데이터 전송 방법, 생성된 송신 데이터 수신 방법 및 그 전송 장치가 개시된다. 본 발명의 일 실시 예에 따른 프리코딩을 이용한 송신 데이터 생성 방법은 수신단으로부터 피드백된 코드북 인덱스를 이용하여 프리코딩 벡터를 생성하고, 상기 프리코딩 벡터로 코드워드를 프리코딩하여 안테나 그룹별 빔패턴을 생성하며, 상기 안테나 그룹을 구성하는 안테나마다 해당하는 빔포밍 안테나 가중치를 상기 빔패턴에 곱하여 서로 독립적인 송신 데이터를 생성하는 과정을 포함한다. 본 발명의 일 실시형태에 따르면, 커버리지를 넓힐 수 있는 특징과 스펙트럼 효율을 향상시킬 수 있는 특징을 동시에 구현할 수 있으므로, 미약한 수신 신호 세기를 갖는 셀 경계에 위치한 단말에 대해 빔포밍을 통해 수신신호의 세기를 높일 수 있을 뿐만 아니라, 가상 안테나와 코드북을 이용한 MIMO를 적용하여 데이터 전송속도를 높일 수 있다.  
     
     다중 안테나, 프리코딩, 빔포밍
Patent KR-20090044827-A (KR)
Inventor: KIM DOO YEONG
IPC: B21B39/00
Filed: 2007-11-01
Abstract: 운전모드 전환시 발생하는 모터의 회전속도 차이를 최소화하도록 한 롤러테이블 운전장치를 제시한다. 제시된 롤러테이블 운전장치는, 바이패스 운전모드 또는 인버터 운전모드로의 전환을 행하는 전환스위치를 포함하는 롤러테이블 운전장치에 있어서, 상기 전환스위치에 의한 모드전환에 따라 설정된 지연시간을 계시하는 계시부; 및 상기 계시부의 계시완료 후에 상기 전환된 운전모드에 상응하는 동작을 수행하는 운전모듈을 포함한다. 이러한 본 발명에 따르면, 계시부의 계시완료 후에 전환된 운전모드에 상응하는 동작을 수행하도록 함으로써, 운전모드 전환시에 발생하는 모터의 회전속도 차이를 최소화할 수 있다. 따라서, 롤러테이블의 부품수명단축을 최소화할 수 있고, 제품이 롤러테이블을 이탈하여 작업자(또는 운전자)를 때리는 안전사고를 미연에 방지할 수 있다.
Patent KR-20090047285-A (KR)
Inventor: CHEON WOO YOUNG
IPC: H05B41/30
Filed: 2007-11-07
Abstract: LED (Light Emitting Diode)의 색온도 제어를 위한 색온도 제어 PWM 신호, 및 상기 색온도 제어 PWM 신호의 R, G, B 비율에 따라 결정되는 상기 LED의 구동전류의 양에 대응하는 LED 구동의 전원 제어를 위한 전원 제어 PWM 신호를 출력하는 마이크로컨트롤러, 및 상기 마이크로컨트롤러로부터의 전원 제어 PWM 신호를 수신하여 LED 구동을 위한 전원 회로를 제어하는 PWM 제어부를 포함하는 발광 다이오드의 색온도 제어 장치 및 제어 방법이 제공된다.  
       
     LED, 색온도, 전원 제어, 휘도, SMPS
Patent KR-20090048196-A (KR)
Inventor: CHO DONG KEUN
IPC: G21C17/00
Filed: 2007-11-09
Abstract: 원자로 해체 폐기물에 존재하는 핵종들의 붕괴 체인을 반영하여 시간에 따른 핵종 재고량을 산출할 수 있는 전용시스템 및 방법이 개시된다. 사용자가 임의대로 원하는 정보를 입력할 수 있으며, 기초 자료는 데이터베이스화하여 연소노심 구성, 노심 선원분포 도출, 중성자속 도출, 영역별 방사능 준위 도출 및 해체 폐기물량의 도출 등의 일련의 과정이 수행되게 된다.  이에 따라, 해체 폐기물의 평가를 위한 자료들을 구비한 데이터베이스를 구축하여, 자동으로 계산이 가능할 뿐만 아니라, 노심 외곽 구조물 전체에 대하여 방사화 정도를 정량화할 수 있어서, 시간 및 비용이 절약된다. 
       
     핵연료, 해체폐기물, 평가방법, 중성자 방사화, 선원항
Patent KR-20090049869-A (KR)
Inventor: YOON SUNG HOE
IPC: G02F1/1341
Filed: 2007-11-14
Abstract: 본 발명은 액정표시장치의 제조 방법에 관한 것으로서, 특히 광경화형 씨일재와 열경화형 씨일재를 포함하여 이루어진 씨일재의 경화 작업 시에 자외선(UV)과 적외선(IR)을 씨일재에 동시에 조사함으로써 씨일재의 전 영역에 있어서 효과적인 경화가 이루어지는 액정표시장치의 제조 방법에 관한 것이다. 이러한 본 발명은, 제 1 기판과 제 2 기판을 준비하는 단계; 상기 제 1 기판과 제 2 기판 중 어느 한 기판 상에 씨일재를 도포하는 단계; 상기 제 1 기판과 제 2 기판 중 어느 한 기판 상에 액정을 적하하는 단계; 상기 제 1 기판과 제 2 기판을 합착하는 단계; 합착된 상기 제 1 기판과 제 2 기판에 자외선(UV)과 적외선(IR)을 조사하는 단계; 를 포함하여 이루어진다. 
       
     액정표시장치. 씨일재, 경화
Patent KR-20090052179-A (KR)
Inventor: LEE HUN GU
IPC: F02B27/02
Filed: 2007-11-20
Abstract: 본 발명은 가변흡기매니폴드의 밸브실링구조에 관한 것으로, 가변흡기매니폴드의 흡기통로를 형성하는 러너; 상기 러너의 양측에 설치되는 측면벽; 상기 러너에 형성되는 연통구; 및 상기 연통구를 개폐하는 밸브를 포함하며, 상기 연통구의 길이방향 단부를 형성하는 상기 러너 및 상기 연통구의 양측을 형성하는 측면벽에는 밸브의 가장자리가 안착되는 안착단부가 형성되어 있는 것을 특징으로 한다. 이러한 구성에 의해서 본 발명은 밸브가 연통구를 폐쇄할 경우 연통구의 길이방향 뿐만 아니라 측면방향으로도 실링을 확실히 하며, 이로 인해서 엔진토크를 향상시키는 효과를 가진다.  
       
     가변흡기매니폴드, 밸브실링, 안착단부
Patent KR-20090052937-A (KR)
Inventor: AN EUN BYEOL
IPC: A63B22/20
Filed: 2007-11-22
Abstract: 본 발명의 스트레칭 운동기구는, 발판이 양방향으로 시소처럼 경사지게 작동 또는 360°회전 작동되도록 하여 하반신의 스트레칭 운동 효과를 극대화시킬 수 있도록 함과 아울러 의자 위에 올려놓은 상태에서 착석 후 허리를 좌우로 구부림으로써 허리의 스트레칭 운동을 겸할 수 있도록 한 목적을 제공하며, 
     이러한 목적을 달성하기 위한 본 발명에 의한 스트레칭 운동기구는, 지지판과; 상기 지지판의 상부에 위치되는 발판과; 상기 발판의 외곽 일측이 상기 지지판에 상면과 접촉되어 상기 지지판에 대해 발판이 경사지도록 하거나 상기 발판의 외곽 타측이 상기 지지판의 상면과 접촉되어 상기 지지판에 대해 발판이 경사지도록, 상기 지지판과 상기 발판 사이에 형성되는 경사형성수단을 포함하여 이루어진 것을 특징으로 한다. 
     
     스트레칭, 운동, 기구, 허리
Patent KR-20090056428-A (KR)
Title: An oil cooler
Inventor: CHO BYOUNG SUN
IPC: F28F9/00
Filed: 2007-11-30
Abstract: An oil cooler is provided to prevent crevice corrosion and galvanic corrosion by being sealed by the shape and the structure of components as the mounting surfaces of a flare nut and a hex nut functions as a stopper. An oil cooler comprises a main body(110) and an inlet/outlet port(120). The inlet/outlet port comprises a pipe(121), a boss(124), a flare nut(122) and a hex nut(123). The pipe circulates the oil to the main body. The boss connects the pipe to the main body. The flare nut joins the boss and the pipe. The hex nut joins the boss and a radiator tank(210). In the boss and the flare nut, a sealing joint part and a sealing part are formed. Screw-assembling portions of the flare nut and the boss are sealed from outside through the sealing joint part and the sealing part.
Patent KR-20090056654-A (KR)
Title: Apparatus for packet detection and automatic gain control in cable modem
Inventor: LEE JAE HO
IPC: H04L25/02
Filed: 2007-11-30
Abstract: A signal detecting device and an automatic gain control device are provided to reduce hardware burden by controlling the size of the input signal and determining the existence of the input signal by using a preamble with a plurality of overlap sections. An automatic gain control device includes a receiver(310), a delay correlator(320), an autocorrelator(330), a determining unit(340), and a size controlling unit(350). The delay correlator calculates the delay autocorrelation between the input signal including the preamble with a plurality of overlap sections and the delayed input signals to delay the input signal as much as the predetermined number of the samples. The autocorrelator calculates the autocorrelation of the input signal. The determining unit determines the existence of the input signal based on the delay autocorrelation and the autocorrelation. The plurality of overlap sections have the sequences with the same pattern.
Patent KR-20070122432-A (KR)
Title: A mat of akeeping warm foot
Inventor: PARK JAE HYUN
IPC: A47C27/00
Filed: 2007-12-11
Abstract: A warm keeping mat for feet is provided to maximize a warm keeping effect of a space formed between a mat body and a cover by installing the cover at the lower part of an upper end of the mat body. In the existing mat, a heat insulation effect of the lower end is weak. The warm keeping mat for feet secures a good heat insulation effect by attaching a cover(2) on the upper end of a mat body(1). In particular, the covers are installed on the upper and lower ends of the upper part of the warm keeping mat. The hot air of the mat is left in a space between the mat and the cover. Therefore, a user is able to put the whole body into the mat.